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Collection: 2004 STI

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380 products

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Air Boxes (1 product)
Air Filters - Drop In (1 product)
Air Intake + Accessories (6 products)
Battery Tiedowns (5 products)
Bearings (1 product)
Belts - Timing, Accessory (1 product)
Big Brake Kits (1 product)
BOV and BPV (22 products)
Brackets (2 products)
Brake Calipers + Rebuild (3 products)
Brake Hardware (3 products)
Brake Line Kits (2 products)
Brake Pads (38 products)
Brake Rotors (18 products)
Brake Shoes (1 product)
Bushing Kits (15 products)
Camber Kits (2 products)
Caster Kits (1 product)
Cat Back Exhaust (5 products)
Clutch Discs (6 products)
Clutch Forks (1 product)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (9 products)
Clutch Rebuild Kits (4 products)
Coilovers + Accessories (1 product)
Coolant Reservoirs (1 product)
Crankshaft Dampers (1 product)
Diff Mounts + Braces + Bushings (4 products)
Dipstick Handle (1 product)
Dipsticks (5 products)
E-Tunes (1 product)
ECU Tunes (2 products)
Engine Bay Caps (4 products)
Engine Covers (2 products)
Engine Mounts (17 products)
Engine Oil Change Kit (2 products)
Exhaust Adapters (4 products)
Exhaust Gaskets (1 product)
Exhaust Manifolds + Accessories (1 product)
Extender (2 products)
Fans & Shrouds (1 product)
Fittings (3 products)
Flanges (1 product)
Flywheels (5 products)
Fuel Filters (2 products)
Fuel Injectors + Accessories (2 products)
Fuel Pumps + Hangers (5 products)
Fuel Rails (2 products)
Hardware (2 products)
Heat Shields (1 product)
Hoses (7 products)
Intercoolers + Accessories (8 products)
LED (3 products)
Lowering Springs (3 products)
Mud Flaps (3 products)
Muffler (1 product)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (3 products)
Oil Filters (2 products)
Piston Rings (1 product)
Power Packages (2 products)
Pressure Plates (2 products)
Programmers + Accessories (1 product)
Pulleys - Crank, Underdrive (3 products)
Radiator Caps (6 products)
Radiator Hoses (2 products)
Radiator Stays (3 products)
Radiators (1 product)
Release Bearings (3 products)
Reverse Lockout (3 products)
Shift Knobs (2 products)
Shifter Bushings (10 products)
Shifters (5 products)
Shock Mounts & Camber Plates (2 products)
Silicone Couplers & Hoses (3 products)
Spark Plugs (3 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Subaru Dyno Tune (1 product)
Suspension Arms & Components (1 product)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (5 products)
Sway Bars (4 products)
Thermostats (1 product)
Tools (1 product)
Tow Hooks (3 products)
Transmission Mounts (4 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (3 products)
Turbochargers (7 products)
Valve Cover Gaskets (2 products)
Valve Seals (1 product)
Valve Springs, Retainers (1 product)
Wastegate + Accessories (5 products)
Wheel Spacers & Adapters (8 products)
Wiring Harnesses (1 product)

Air Boxes (1 product)
Air Filters - Drop In (1 product)
Air Intake + Accessories (6 products)
Battery Tiedowns (5 products)
Bearings (1 product)
Belts - Timing, Accessory (1 product)
Big Brake Kits (1 product)
BOV and BPV (22 products)
Brackets (2 products)
Brake Calipers + Rebuild (3 products)
Brake Hardware (3 products)
Brake Line Kits (2 products)
Brake Pads (38 products)
Brake Rotors (18 products)
Brake Shoes (1 product)
Bushing Kits (15 products)
Camber Kits (2 products)
Caster Kits (1 product)
Cat Back Exhaust (5 products)
Clutch Discs (6 products)
Clutch Forks (1 product)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (9 products)
Clutch Rebuild Kits (4 products)
Coilovers + Accessories (1 product)
Coolant Reservoirs (1 product)
Crankshaft Dampers (1 product)
Diff Mounts + Braces + Bushings (4 products)
Dipstick Handle (1 product)
Dipsticks (5 products)
E-Tunes (1 product)
ECU Tunes (2 products)
Engine Bay Caps (4 products)
Engine Covers (2 products)
Engine Mounts (17 products)
Engine Oil Change Kit (2 products)
Exhaust Adapters (4 products)
Exhaust Gaskets (1 product)
Exhaust Manifolds + Accessories (1 product)
Extender (2 products)
Fans & Shrouds (1 product)
Fittings (3 products)
Flanges (1 product)
Flywheels (5 products)
Fuel Filters (2 products)
Fuel Injectors + Accessories (2 products)
Fuel Pumps + Hangers (5 products)
Fuel Rails (2 products)
Hardware (2 products)
Heat Shields (1 product)
Hoses (7 products)
Intercoolers + Accessories (8 products)
LED (3 products)
Lowering Springs (3 products)
Mud Flaps (3 products)
Muffler (1 product)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (3 products)
Oil Filters (2 products)
Piston Rings (1 product)
Power Packages (2 products)
Pressure Plates (2 products)
Programmers + Accessories (1 product)
Pulleys - Crank, Underdrive (3 products)
Radiator Caps (6 products)
Radiator Hoses (2 products)
Radiator Stays (3 products)
Radiators (1 product)
Release Bearings (3 products)
Reverse Lockout (3 products)
Shift Knobs (2 products)
Shifter Bushings (10 products)
Shifters (5 products)
Shock Mounts & Camber Plates (2 products)
Silicone Couplers & Hoses (3 products)
Spark Plugs (3 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Subaru Dyno Tune (1 product)
Suspension Arms & Components (1 product)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (5 products)
Sway Bars (4 products)
Thermostats (1 product)
Tools (1 product)
Tow Hooks (3 products)
Transmission Mounts (4 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (3 products)
Turbochargers (7 products)
Valve Cover Gaskets (2 products)
Valve Seals (1 product)
Valve Springs, Retainers (1 product)
Wastegate + Accessories (5 products)
Wheel Spacers & Adapters (8 products)
Wiring Harnesses (1 product)

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Cool White (1 product)
Red (1 product)

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Cool White (1 product)
Red (1 product)

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380 products

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Air Boxes (1 products)
Air Filters - Drop In (1 products)
Air Intake + Accessories (6 products)
Battery Tiedowns (5 products)
Bearings (1 products)
Belts - Timing, Accessory (1 products)
Big Brake Kits (1 products)
BOV and BPV (22 products)
Brackets (2 products)
Brake Calipers + Rebuild (3 products)
Brake Hardware (3 products)
Brake Line Kits (2 products)
Brake Pads (38 products)
Brake Rotors (18 products)
Brake Shoes (1 products)
Bushing Kits (15 products)
Camber Kits (2 products)
Caster Kits (1 products)
Cat Back Exhaust (5 products)
Clutch Discs (6 products)
Clutch Forks (1 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (9 products)
Clutch Rebuild Kits (4 products)
Coilovers + Accessories (1 products)
Coolant Reservoirs (1 products)
Crankshaft Dampers (1 products)
Diff Mounts + Braces + Bushings (4 products)
Dipstick Handle (1 products)
Dipsticks (5 products)
E-Tunes (1 products)
ECU Tunes (2 products)
Engine Bay Caps (4 products)
Engine Covers (2 products)
Engine Mounts (17 products)
Engine Oil Change Kit (2 products)
Exhaust Adapters (4 products)
Exhaust Gaskets (1 products)
Exhaust Manifolds + Accessories (1 products)
Extender (2 products)
Fans & Shrouds (1 products)
Fittings (3 products)
Flanges (1 products)
Flywheels (5 products)
Fuel Filters (2 products)
Fuel Injectors + Accessories (2 products)
Fuel Pumps + Hangers (5 products)
Fuel Rails (2 products)
Hardware (2 products)
Heat Shields (1 products)
Hoses (7 products)
Intercoolers + Accessories (8 products)
LED (3 products)
Lowering Springs (3 products)
Mud Flaps (3 products)
Muffler (1 products)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (3 products)
Oil Filters (2 products)
Piston Rings (1 products)
Power Packages (2 products)
Pressure Plates (2 products)
Programmers + Accessories (1 products)
Pulleys - Crank, Underdrive (3 products)
Radiator Caps (6 products)
Radiator Hoses (2 products)
Radiator Stays (3 products)
Radiators (1 products)
Release Bearings (3 products)
Reverse Lockout (3 products)
Shift Knobs (2 products)
Shifter Bushings (10 products)
Shifters (5 products)
Shock Mounts & Camber Plates (2 products)
Silicone Couplers & Hoses (3 products)
Spark Plugs (3 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Subaru Dyno Tune (1 products)
Suspension Arms & Components (1 products)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (5 products)
Sway Bars (4 products)
Thermostats (1 products)
Tools (1 products)
Tow Hooks (3 products)
Transmission Mounts (4 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (3 products)
Turbochargers (7 products)
Valve Cover Gaskets (2 products)
Valve Seals (1 products)
Valve Springs, Retainers (1 products)
Wastegate + Accessories (5 products)
Wheel Spacers & Adapters (8 products)
Wiring Harnesses (1 products)

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380 products

Torque Solution Tial Blow Off Valve Adapter: Subaru WRX / STi 2002-2011

Torque Solution Tial Blow Off Valve Adapter: Subaru WRX / STi 2002-2011

Regular price $42.21 USD

Regular price Sale price $42.21 USD
Unit price per
Torque Solution Rear Shifter Bushing Subaru Models (inc. 2002-2012 WRX / STI & 2013+ BRZ)

Torque Solution Rear Shifter Bushing Subaru Models (inc. 2002-2012 WRX / STI & 2013+ BRZ)

Regular price $39.99 USD

Regular price Sale price $39.99 USD
Unit price per
Torque Solution Positive Shift Kit: Subaru Impreza 1993-2007 Subaru WRX & STi 2002-2007

Torque Solution Positive Shift Kit: Subaru Impreza 1993-2007 Subaru WRX & STi 2002-2007

Regular price $55.54 USD

Regular price Sale price $55.54 USD
Unit price per
Torque Solution HKS BOV Adapter Flange w/ Plug: Subaru WRX / STi

Torque Solution HKS BOV Adapter Flange w/ Plug: Subaru WRX / STi

Regular price $49.99 USD

Regular price Sale price $49.99 USD
Unit price per
Torque Solution HKS BOV Adapter Flange: Subaru WRX / STi

Torque Solution HKS BOV Adapter Flange: Subaru WRX / STi

Regular price $42.21 USD

Regular price Sale price $42.21 USD
Unit price per
Torque Solution Greddy Blow Off Valve Adapter w/ Plug: Subaru WRX 02-07 & 04-13 STI

Torque Solution Greddy Blow Off Valve Adapter w/ Plug: Subaru WRX 02-07 & 04-13 STI

Regular price $49.99 USD

Regular price Sale price $49.99 USD
Unit price per
Torque Solution Greddy Blow Off Valve and Recirc Adapter: Subaru WRX 02-07 & 04-14 STI

Torque Solution Greddy Blow Off Valve and Recirc Adapter: Subaru WRX 02-07 & 04-14 STI

Regular price $55.54 USD

Regular price Sale price $55.54 USD
Unit price per
Torque Solution Greddy Blow Off Valve Adapter: Subaru WRX 02-07 & 04-12 STI

Torque Solution Greddy Blow Off Valve Adapter: Subaru WRX 02-07 & 04-12 STI

Regular price $42.21 USD

Regular price Sale price $42.21 USD
Unit price per
Torque Solution Complete Shifter Bushing Combo Kit: 04-05 Subaru STi

Torque Solution Complete Shifter Bushing Combo Kit: 04-05 Subaru STi

Regular price $122.21 USD

Regular price Sale price $122.21 USD
Unit price per
Torque Solution Shifter Linkage & Pivot Bushings Combo: 04-05 Subaru STi

Torque Solution Shifter Linkage & Pivot Bushings Combo: 04-05 Subaru STi

Regular price $55.54 USD

Regular price Sale price $55.54 USD
Unit price per
Torque Solution Shifter Pivot Bushings: 04-14 Subaru STi

Torque Solution Shifter Pivot Bushings: 04-14 Subaru STi

Regular price $24.43 USD

Regular price Sale price $24.43 USD
Unit price per
Torque Solution Shifter Linkage Bushings: Subaru STi 2004-2005

Torque Solution Shifter Linkage Bushings: Subaru STi 2004-2005

Regular price $33.32 USD

Regular price Sale price $33.32 USD
Unit price per
Torque Solution Rear Differential Bushings: Subaru WRX / STi 2002-2007

Torque Solution Rear Differential Bushings: Subaru WRX / STi 2002-2007

Regular price $55.54 USD

Regular price Sale price $55.54 USD
Unit price per
Torque Solution Rear Differential Lockdown System: Subaru WRX / STi 2002-2007 Forester XT 04-08

Torque Solution Rear Differential Lockdown System: Subaru WRX / STi 2002-2007 Forester XT 04-08

Regular price $45.54 USD

Regular price Sale price $45.54 USD
Unit price per
Torque Solution Subaru EJ -10AN Turbo Oil Return Line Kit

Torque Solution Subaru EJ -10AN Turbo Oil Return Line Kit

Regular price $144.43 USD

Regular price Sale price $144.43 USD
Unit price per
Torque Solution -10AN Turbo Oil Return Fitting Subaru EJ All Years

Torque Solution -10AN Turbo Oil Return Fitting Subaru EJ All Years

Regular price $61.10 USD

Regular price Sale price $61.10 USD
Unit price per
Torque Solution Subaru 3in Aftermarkert Downpipe To OEM Catback Exhaust Adapter

Torque Solution Subaru 3in Aftermarkert Downpipe To OEM Catback Exhaust Adapter

Regular price $61.10 USD

Regular price Sale price $61.10 USD
Unit price per
Torque Solution Subaru Stock Downpipe to 3in Aftermarket 3in Catback Exhaust Adapter

Torque Solution Subaru Stock Downpipe to 3in Aftermarket 3in Catback Exhaust Adapter

Regular price $61.10 USD

Regular price Sale price $61.10 USD
Unit price per
Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Red

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Red

Regular price $122.21 USD

Regular price Sale price $122.21 USD
Unit price per
Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Black

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Black

Regular price $122.21 USD

Regular price Sale price $122.21 USD
Unit price per
Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX/04-18 STI/05-09 Legacy GT/04-13 FTX - Red

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX/04-18 STI/05-09 Legacy GT/04-13 FTX - Red

Regular price $277.77 USD

Regular price Sale price $277.77 USD
Unit price per
Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX / 04-18 STI / 05-09 Legacy GT / 04-13 FTX

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX / 04-18 STI / 05-09 Legacy GT / 04-13 FTX

Regular price $277.77 USD

Regular price Sale price $277.77 USD
Unit price per
Torque Solution Differential Brace: 02-07 Subaru WRX / 04-07 STI

Torque Solution Differential Brace: 02-07 Subaru WRX / 04-07 STI

Regular price $166.66 USD

Regular price Sale price $166.66 USD
Unit price per
Torque Solution Reversed Intake Manifold Alternator Relocation Bracket Kit: 02-14 Subaru WRX

Torque Solution Reversed Intake Manifold Alternator Relocation Bracket Kit: 02-14 Subaru WRX

Regular price $177.77 USD

Regular price Sale price $177.77 USD
Unit price per

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